4140556646 has 24 divisors (see below), whose sum is σ = 6839949744. Its totient is φ = 1876034160.

The previous prime is 4140556639. The next prime is 4140556663. The reversal of 4140556646 is 6466550414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108065 + ... + 141276.

It is an arithmetic number, because the mean of its divisors is an integer number (284997906).

Almost surely, 2^4140556646 is an apocalyptic number.

4140556646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4140556646 is a deficient number, since it is larger than the sum of its proper divisors (2699393098).

4140556646 is a wasteful number, since it uses less digits than its factorization.

4140556646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249404 (or 249385 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 4140556646 is about 64347.1572487861. The cubic root of 4140556646 is about 1605.7807358945.

The spelling of 4140556646 in words is "four billion, one hundred forty million, five hundred fifty-six thousand, six hundred forty-six".